1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
gladu [14]
3 years ago
8

A rifle with a mass of m1 = 3.4 kg fires a bullet with a mass of 8.3 g (0.0083 kg). The bullet moves with a velocity of 860 m/s

after the rifle is fired. What is the momentum of the bullet after the rifle is fired?
Physics
1 answer:
pogonyaev3 years ago
4 0

Answer:

P = 7.138 kg m/s

Explanation:

As we know that momentum is the product of mass and velocity

So here we have

m = 0.0083 kg

velocity = 860 m/s

so momentum of the bullet is given as

P = mv

P = (0.0083)(860)

P = 7.138 kg m/s

so the momentum of bullet after it has been shoot from the rifle is given as

P = 7.138 kg m/s

You might be interested in
What's the answers for all of the questions ?///
Maru [420]
More energy, colour and I think less bright
8 0
3 years ago
The probability that a battery will last 10 hr or more is 0.8, and the probability that it will last 15 hr or more is 0.11. Give
podryga [215]
We are given with the data that says the probability that a battery will last 10 hr or more is 0.8 and the probability <span>that it will last 15 hr or more is 0.11. In this case, the probability that the battery lasts at least 10 hours and even 15 hrs more is 0.11 / 0.8 or equal to 13.75 percent.</span>
5 0
3 years ago
problems like this A diver bounces straight up from a diving board, avoiding the diving board on the way down, and falls feet fi
Ymorist [56]

This question is incomplete the complete question is

A diver bounces straight up from a diving board, avoiding the diving board on the way down, and falls feet first into a pool. She starts with a velocity of 4.00 m/s and her takeoff point is 1.80 m above the pool. (a) What is her highest point above the board? (b) How long a time are her feet in the air? (c) What is her velocity when her feet hit the water?

Answer:

(a) Xs=0.459m

(b) t=0.984 s

(c) Vc=6.65 m/s

Explanation:

(a) To reach maximum distance

g=-9.8m/s^{2}\\ Vf=0\\v_{b}^{2}=v_{a}^{2}+2gx_{s} \\  x_{s}=\frac{0-(3^{2} )}{-2*9.8}\\ x_{s}=0.459m

(b) For Time

To find t we must find t1 and t2

as

t=t1+t2

For T1

t_{1}=(Vb-Va)/g \\t_{1}=(0-3)/9.8\\t_{1}=0.306s

For T2

x_{l}=Vbt+(1/2)gt_{2}^{2}\\   as\\x_{l}=x_{1}+x_{s}\\x_{l}=1.8+0.459\\x_{l}=2.259\\so\\t_{2}=\frac{2.259*2}{9.8} \\t_{2}=0.6789s

For Total Time

t=t1+t2

t=0.306+0.6789

t=0.984s

(c) To find Vc

Vc=Vb+gt2

Vc=(0)+(9.8)(0.6789)

Vc=6.65 m/s

7 0
3 years ago
The family is the principal social agent for a. Children. C. Parents. B. Teenagers. D. The elderly. Please select the best answe
Sidana [21]

hope this helps A children

5 0
3 years ago
Two blocks are the same size one block has a higher temperature than the other. Which describes the thermal energy of these bloc
shepuryov [24]
The block that has a higher temperature describes the thermal energy of these blocks. Thermal energy is a measure of internal energy - therefore, the block with the higher temperature has more internal energy than the block with the lower temperature, meaning it's thermal energy is greater. 
8 0
3 years ago
Other questions:
  • A force acts on an object and moves it a certain distance
    6·1 answer
  • A. Write 2 -3 sentences describing the big bang theory and explaining why it is considered a theory, as opposed to a hypothesis.
    7·2 answers
  • The pioneer in the technique of photographic collage was:
    14·1 answer
  • A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how
    14·1 answer
  • In solving for the magnitude of the electric field E⃗(z) produced by a sheet charge with charge density σ, use the planar symmet
    10·1 answer
  • An object is placed near a concave mirror having a radius of curvature of magnitude 60 cm. How far should you place the object f
    8·1 answer
  • A point charge is placed at the center of a spherical Gaussian surface. The electricflux ΦEischangedif(a) a second point charge
    5·1 answer
  • How are different wavelengths of light affected by entering a prism?
    9·1 answer
  • Which statement is true physics
    5·1 answer
  • Why should we not use nuclear energy
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!